62837 Fairfield, IL typically has a warm and humid climate characterized by hot summers and cold winters. Summer temperatures range from the mid-70s to mid-80s while winter temperatures can dip down to the single digits. The area receives an average of 43 inches of rain per year, mostly in the spring and summer months. Snowfall averages around 17 inches per year, with most snowfall occurring during December through March. Humidity levels are generally highest in summer months and lowest in winter months. Temperatures can occasionally reach extremes on both ends due to weather systems moving through the area, but overall the climate remains mild throughout the year.
Fairfield (zip 62837), Illinois gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Fairfield (zip 62837) averages 12 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 202 sunny days per year in Fairfield (zip 62837). The US average is 205 sunny days.
Fairfield (zip 62837) gets some kind of precipitation, on average, 103 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 88 degrees
Winter Low: the January low is 22
Rain: averages 45 inches of rain a year
Snow: averages 12 inches of snow a year